HCID 117770577, compound → HCID 117769950, compound

Participants

Reaction Steps

Racemic 3-amino-7-bromo-5-(3-methylbutan-2-yl)-1,5-dihydro-4H-pyrazolo[4,3-c]pyridin-4-one obtained in Step G of Example 13 (7.89 g) was resolved by HPLC (column: CHIRALPAK AD, 50 mmID×500 mmL, manufactured by Daicel Chemical Industries, mobile phase: hexane/ethanol=600/400(v/v)) to give the title compound (3.751 g) having a shorter retention time.

Provenance & Evidence